Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Valuation allowance	$ 26,046	$ 2,824
Increase in valuation allowance	23,200
Foreign earnings repatriated	1,100,000
Unrecognized tax benefits including accrued interest and penalties	32,600	67,800	$ 90,700
Unrecognized tax benefits, income tax penalties and interest accrued	7,800	11,800	10,700
Income tax interest and penalties expense	1,100	$ 1,300	$ 2,300
Unrecognized tax benefits that, if recognized, would impact the effective income tax rate	32,600
Unrecognized tax benefits that may be recognized	2,800
Estimate of possible charge	35,000
Stat tax credits	$ 25,000